FIBRE-REACTIVE DYES, THEIR PREPARATION AND THEIR USE

摘要

Reactive dyes of formula (1) wherein Q1 and Q2 are each independently of the other hydrogen or unsubstituted or substituted C1-C4alkyl, A is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or dioxazine chromophore, X is halogen, 3- or 4-carboxypyridin-1-yl, or 3- or 4-carbamoylpyridin-1-yl, Y is vinyl or a radical -CH2-CH2-U and U is a group removable under alkaline conditions, and q is the number 1 or 2, are suitable for dyeing and printing cellulosic or amide-group-containing fibre materials.